Wireless Karaoke MicrophoneWireless Karaoke Microphone, Portable Bluetooth Karaoke Microphone for Kids/Adults Singing (Black)Wireless microphones can be used as karaoke microphones, Bluetooth players, portable speakers and voice recorders. With it, you can sing or record anytime, anywhere.+ productEquipped with professional audio processor, mixing system and three-layer filter, the multi-function microphone can create a live KTV sound environment with super reverb effect. In addition, there are four magical voices: child voice, female voice, male voice and old man voice, very interesting. Colorful LED lights make the atmosphere more vivid. They can flash with music, the louder the sound, the brighter the light. 3 layers of noise filters ensure excellent sound output. Professional audio processor lets you adjust the echo and sound of your music. High-speed Bluetooth connection. Compatible with all Bluetooth devices, such as Android/iOS/PC, as well as YouTube, Smule and other apps.FeaturesSize: 13*8*9cmWeight: 286gFrequency band: 100Hz 10KHz.Reverb mode: echo.Battery capacity: 5V 1800mAH.Battery type: 18650 lithium battery,Charging time: 2 hours.Working time: 5-10 hours.Bluetooth distance: 15 meters.Usages: Bluetooth wireless microphones have flashing LED lights that indicate the volume of your voice and music, creating a club atmosphere. Not only for kids, but also for adults, everyone will love and enjoy it!